shell:$ nslookup -timeout=2 -retry=1 'www.facebook.co.ir'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
www.facebook.co.ir	canonical name = www.facebook.com.
www.facebook.com	canonical name = star-mini.c10r.facebook.com.
Name:	star-mini.c10r.facebook.com
Address: 57.144.132.1
Name:	star-mini.c10r.facebook.com
Address: 2a03:2880:f342:1:face:b00c:0:25de